# 77sub vs Comfortdata

The clearest difference is update cadence: Comfortdata at weekly against 77sub's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

77sub ships an update every 4 weeks, Comfortdata weekly. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 77sub | Comfortdata |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Size | 73 MB | 58 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pheebz-Dev Technology](https://appshunter.io/developer/1711099481) | [Shin dev technology limited](https://appshunter.io/developer/1896315195) |

## What reviewers say

### 77sub

[App page](https://appshunter.io/ios/app/77sub/id6760705181)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Comfortdata

[App page](https://appshunter.io/ios/app/comfortdata/id6767558334)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 77sub free?

77sub is free to download, with no in-app purchases.

### Is Comfortdata free?

Comfortdata is free to download, with no in-app purchases.

### Do 77sub or Comfortdata have ads?

Neither 77sub nor Comfortdata shows ads.

### Which is updated more often, 77sub or Comfortdata?

77sub ships an update every 4 weeks, and Comfortdata weekly. Most recently, 77sub was updated on September 13, 2026 and Comfortdata on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*